Add missing partials!

app/views/shared/milestones/_record.html.haml

+-# @project is present when viewing Project's milestone
+- project = @project || record.project
+
+%li{ id: dom_id(record, 'sortable'),  class: "#{dom_class(record)}-row", 'data-iid' => record.iid, 'data-url' => polymorphic_path(record) }
+  %span
+    - if show_project_name
+      %strong #{project.name} ·
+    - elsif show_full_project_name
+      %strong #{project.name_with_namespace} ·
+    = link_to_gfm record.title, [project.namespace.becomes(Namespace), project, record], title: record.title
+  %div{class: "#{dom_class(record)}-detail"}
+    = link_to [project.namespace.becomes(Namespace), project, record] do
+      %span{ class: "#{dom_class(record)}-number" } ##{record.iid}
+    - record.labels.each do |label|
+      = render_colored_label(label)
+    - if record.assignee
+      = image_tag avatar_icon(record.assignee, 16), class: "avatar s16", alt: ''

app/views/shared/milestones/_records.html.haml

+- show_counter = local_assigns.fetch(:show_counter, false)
+- primary = local_assigns.fetch(:primary, false)
+- panel_class = primary ? 'panel-primary' : 'panel-default'
+
+.panel{ class: panel_class }
+  .panel-heading
+    = title
+    - if show_counter
+      .pull-right= records.size
+
+  - class_prefix = dom_class(records).pluralize
+  %ul{ class: "well-list #{class_prefix}-sortable-list", id: "#{class_prefix}-list-#{id}", "data-state" => id }
+    - records.sort_by(&:position).each do |record|
+      = render 'shared/milestones/record', record: record, show_project_name: show_project_name, show_full_project_name: show_full_project_name